Add API to route end of fling messages from WebLayerTreeView to InputHandler

cc/thread_proxy.cc

Index: cc/thread_proxy.cc
diff --git a/cc/thread_proxy.cc b/cc/thread_proxy.cc
index cd0baa3b6aa6dbc3d892f62a2f039722001599bb..b2ed9ea4762923d2385717efb85c7eda6443b3ab 100644
--- a/cc/thread_proxy.cc
+++ b/cc/thread_proxy.cc
@@ -431,6 +431,12 @@ void ThreadProxy::setNeedsRedrawOnImplThread()
     m_schedulerOnImplThread->setNeedsRedraw();
 }
 
+void ThreadProxy::mainThreadHasStoppedFlinging()
+{
+  if (m_inputHandlerOnImplThread.get())

[jamesr, 2012/12/13 21:39:05]

nits:

- just "if (m_inputHandlerOnImplThread)" will do the right thing
- this file is still WebKit style, so 4-space indents

+      m_inputHandlerOnImplThread->mainThreadHasStoppedFlinging();
+}
+
 void ThreadProxy::start()
 {
     DCHECK(isMainThread());